Commit 658a395f authored by David Hildenbrand's avatar David Hildenbrand
Browse files

s390x/tcg: Implement VECTOR FP SUBTRACT 



Similar to VECTOR FP ADD.

Reviewed-by: default avatarRichard Henderson <richard.henderson@linaro.org>
Signed-off-by: default avatarDavid Hildenbrand <david@redhat.com>
parent 5938f20c

target/s390x/helper.h

+2 −0
Original line number Diff line number Diff line
@@ -290,6 +290,8 @@ DEF_HELPER_FLAGS_6(gvec_vfms64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cptr, env 
DEF_HELPER_FLAGS_6(gvec_vfms64s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cptr, env, i32)

DEF_HELPER_FLAGS_4(gvec_vfsq64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)

DEF_HELPER_FLAGS_4(gvec_vfsq64s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)

DEF_HELPER_FLAGS_5(gvec_vfs64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32)

DEF_HELPER_FLAGS_5(gvec_vfs64s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32)



#ifndef CONFIG_USER_ONLY

DEF_HELPER_3(servc, i32, env, i64, i64)

target/s390x/insn-data.def

+2 −0
Original line number Diff line number Diff line
@@ -1244,6 +1244,8 @@ 
    F(0xe7cc, VFPSO,   VRR_a, V,   0, 0, 0, 0, vfpso, 0, IF_VEC)

/* VECTOR FP SQUARE ROOT */

    F(0xe7ce, VFSQ,    VRR_a, V,   0, 0, 0, 0, vfsq, 0, IF_VEC)

/* VECTOR FP SUBTRACT */

    F(0xe7e2, VFS,     VRR_c, V,   0, 0, 0, 0, vfa, 0, IF_VEC)



#ifndef CONFIG_USER_ONLY

/* COMPARE AND SWAP AND PURGE */

target/s390x/translate_vx.inc.c

+3 −0
Original line number Diff line number Diff line
@@ -2566,6 +2566,9 @@ static DisasJumpType op_vfa(DisasContext *s, DisasOps *o) 
    case 0xe7:

        fn = se ? gen_helper_gvec_vfm64s : gen_helper_gvec_vfm64;

        break;

    case 0xe2:

        fn = se ? gen_helper_gvec_vfs64s : gen_helper_gvec_vfs64;

        break;

    default:

        g_assert_not_reached();

    }

target/s390x/vec_fpu_helper.c

+17 −0
Original line number Diff line number Diff line
@@ -569,3 +569,20 @@ void HELPER(gvec_vfsq64s)(void *v1, const void *v2, CPUS390XState *env, 
{

    vop64_2(v1, v2, env, true, false, 0, vfsq64, GETPC());

}



static uint64_t vfs64(uint64_t a, uint64_t b, float_status *s)

{

    return float64_sub(a, b, s);

}



void HELPER(gvec_vfs64)(void *v1, const void *v2, const void *v3,

                        CPUS390XState *env, uint32_t desc)

{

    vop64_3(v1, v2, v3, env, false, vfs64, GETPC());

}



void HELPER(gvec_vfs64s)(void *v1, const void *v2, const void *v3,

                         CPUS390XState *env, uint32_t desc)

{

    vop64_3(v1, v2, v3, env, true, vfs64, GETPC());

}